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Proteolytic enzymes released from the acrosome of the sperm form a pathway through the zona pellucida to allow for fertilization of the egg.

Each of the following structures is derived from the neural crest EXCEPT:

During the 4th-8th weeks, all major organ systems begin to develop from the three germ layers: Ectoderm, Mesoderm, and Endoderm

The fetal part of the placenta is formed by the:

Amniocentesis is commonly used to

Primary oocytes remain dormant in ____ of Meiosis I until ___.

At the end of the 1st week of development, the trophoblast differentiates into which two layers:

The addition of nutrients (fertilizer) caused [ans1] the abundance of benthic algae (Fig. A).

When the wave is in 8 meters of water, what is the celerity or wave speed?  Answer in (m/s) to 2 decimal places.  NOTE: This question has been converted to EXTRA CREDIT.  The question appears to be worth 0 points, but if you answer correctly you may earn up to 2 points of EXTRA CREDIT.

The addition of nutrients caused [ans1] the abundance of meiofauna (Fig. B).